Home / 1,995.23-2,992.87-1,020.73

Finding the Fourth Proportional to 1,995.23, 2,992.87 and 1,020.73

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Solution

The fourth proportional to 1,995.23, 2,992.87 and 1,020.73 is: 1,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.23 : 2,992.87 = 1,020.73 : x
  2. Step 2: Convert to fraction form
    1,995.23/2,992.87 = 1,020.73/x
  3. Step 3: Cross multiply
    1,995.23x = 2,992.87 × 1,020.73
  4. Step 4: Simplify right side
    1,995.23x = 3,054,897.23
  5. Step 5: Solve for x
    x = 3,054,897.23/1,995.23
  6. Step 6: Final answer
    x = 1,531.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.